<!-- 
  * 部门 树形选择框

  * @Author:    1024创新实验室-主任：卓大 
  * @Date:      2022-09-12 23:05:43 
  * @Wechat:    zhuda1024 
  * @Email:     lab1024@163.com 
  * @Copyright  1024创新实验室 （ https://1024lab.net ），Since 2012 
  *
-->
<template>
  <a-tree-select
      :dropdown-style="{ maxHeight: '400px', overflow: 'auto' }"
      :fieldNames="{ label: 'name', key: 'departmentId', value: 'departmentId' }"
      :multiple="props.multiple"
      :treeData="treeData"
      :value="props.value"
      allow-clear
      placeholder="请选择部门"
      show-search
      style="width: 100%"
      tree-default-expand-all
      @change="onChange"
  />
</template>
<script setup>
import {onMounted, ref} from 'vue';
import _ from 'lodash';
import {departmentApi} from '/@/api/system/department/department-api';

const props = defineProps({
  // 绑定值
  value: Number,
  // 单选多选
  multiple: {
    type: Boolean,
    default: false,
  },
});

const emit = defineEmits(['update:value']);

let treeData = ref([]);
onMounted(queryDepartmentTree);

async function queryDepartmentTree() {
  let res = await departmentApi.queryDepartmentTree();
  treeData.value = res.data;
}

function onChange(e) {
  emit('update:value', e);
}

defineExpose({
  queryDepartmentTree,
});
</script>
